Home / 14,390.12-21,571.32-7,373.45

Finding the Fourth Proportional to 14,390.12, 21,571.32 and 7,373.45

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Solution

The fourth proportional to 14,390.12, 21,571.32 and 7,373.45 is: 11,053.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.12 : 21,571.32 = 7,373.45 : x
  2. Step 2: Convert to fraction form
    14,390.12/21,571.32 = 7,373.45/x
  3. Step 3: Cross multiply
    14,390.12x = 21,571.32 × 7,373.45
  4. Step 4: Simplify right side
    14,390.12x = 159,054,941.60
  5. Step 5: Solve for x
    x = 159,054,941.60/14,390.12
  6. Step 6: Final answer
    x = 11,053.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.